Problem 4-89/4-91/4-92/ Engineering Mechanics Materials

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4–89. The steel bar has the dimensions shown. Determine the maximum axial force P that can be applied so as not to exceed an allowable tensile stress of sallow = 150 MPa.

4–91. Determine the maximum axial force P that can be applied to the bar. The bar is made from steel and has an allowable stress of sallow = 21 ksi.

4–92. Determine the maximum normal stress developed in the bar when it is subjected to a tension of P = 2 kip.
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